For the fan in problem 2, the blade discharge angle is 30 deg , measured with respect to the tangential direction at the outside diameter of the rotor. The tangential velocity, in an absolute reference frame, is Vt2,abs = −23.1 m/s. What is the power in watts required to run the fan?

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Consider the following position function. find (a) the velocity and the speed of the object and (b) the acceleration of the object. bold r left parenthesis t right parenthesisr(t)equals=left angle 6 t superscript 4 baseline comma 2 t cubed right angle6t4,2t3 for tgreater than or equals≥0